Chris@14: <?php
Chris@14: 
Chris@14: namespace Drupal\layout_builder\Controller;
Chris@14: 
Chris@17: use Drupal\Core\Ajax\AjaxHelperTrait;
Chris@14: use Drupal\Core\Block\BlockManagerInterface;
Chris@14: use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
Chris@17: use Drupal\Core\Entity\EntityTypeManagerInterface;
Chris@18: use Drupal\Core\Session\AccountInterface;
Chris@17: use Drupal\Core\StringTranslation\StringTranslationTrait;
Chris@14: use Drupal\Core\Url;
Chris@14: use Drupal\layout_builder\Context\LayoutBuilderContextTrait;
Chris@18: use Drupal\layout_builder\LayoutBuilderHighlightTrait;
Chris@14: use Drupal\layout_builder\SectionStorageInterface;
Chris@14: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@14: 
Chris@14: /**
Chris@14:  * Defines a controller to choose a new block.
Chris@14:  *
Chris@14:  * @internal
Chris@18:  *   Controller classes are internal.
Chris@14:  */
Chris@14: class ChooseBlockController implements ContainerInjectionInterface {
Chris@14: 
Chris@14:   use AjaxHelperTrait;
Chris@14:   use LayoutBuilderContextTrait;
Chris@18:   use LayoutBuilderHighlightTrait;
Chris@17:   use StringTranslationTrait;
Chris@14: 
Chris@14:   /**
Chris@14:    * The block manager.
Chris@14:    *
Chris@14:    * @var \Drupal\Core\Block\BlockManagerInterface
Chris@14:    */
Chris@14:   protected $blockManager;
Chris@14: 
Chris@14:   /**
Chris@17:    * The entity type manager.
Chris@17:    *
Chris@17:    * @var \Drupal\Core\Entity\EntityTypeManagerInterface
Chris@17:    */
Chris@17:   protected $entityTypeManager;
Chris@17: 
Chris@17:   /**
Chris@18:    * The current user.
Chris@18:    *
Chris@18:    * @var \Drupal\Core\Session\AccountInterface
Chris@18:    */
Chris@18:   protected $currentUser;
Chris@18: 
Chris@18:   /**
Chris@14:    * ChooseBlockController constructor.
Chris@14:    *
Chris@14:    * @param \Drupal\Core\Block\BlockManagerInterface $block_manager
Chris@14:    *   The block manager.
Chris@17:    * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
Chris@17:    *   The entity type manager.
Chris@18:    * @param \Drupal\Core\Session\AccountInterface $current_user
Chris@18:    *   The current user.
Chris@14:    */
Chris@18:   public function __construct(BlockManagerInterface $block_manager, EntityTypeManagerInterface $entity_type_manager, AccountInterface $current_user = NULL) {
Chris@14:     $this->blockManager = $block_manager;
Chris@17:     $this->entityTypeManager = $entity_type_manager;
Chris@18:     if (!$current_user) {
Chris@18:       @trigger_error('The current_user service must be passed to ChooseBlockController::__construct(), it is required before Drupal 9.0.0.', E_USER_DEPRECATED);
Chris@18:       $current_user = \Drupal::currentUser();
Chris@18:     }
Chris@18:     $this->currentUser = $current_user;
Chris@14:   }
Chris@14: 
Chris@14:   /**
Chris@14:    * {@inheritdoc}
Chris@14:    */
Chris@14:   public static function create(ContainerInterface $container) {
Chris@14:     return new static(
Chris@17:       $container->get('plugin.manager.block'),
Chris@18:       $container->get('entity_type.manager'),
Chris@18:       $container->get('current_user')
Chris@14:     );
Chris@14:   }
Chris@14: 
Chris@14:   /**
Chris@14:    * Provides the UI for choosing a new block.
Chris@14:    *
Chris@14:    * @param \Drupal\layout_builder\SectionStorageInterface $section_storage
Chris@14:    *   The section storage.
Chris@14:    * @param int $delta
Chris@14:    *   The delta of the section to splice.
Chris@14:    * @param string $region
Chris@14:    *   The region the block is going in.
Chris@14:    *
Chris@14:    * @return array
Chris@14:    *   A render array.
Chris@14:    */
Chris@14:   public function build(SectionStorageInterface $section_storage, $delta, $region) {
Chris@17:     if ($this->entityTypeManager->hasDefinition('block_content_type') && $types = $this->entityTypeManager->getStorage('block_content_type')->loadMultiple()) {
Chris@17:       if (count($types) === 1) {
Chris@17:         $type = reset($types);
Chris@17:         $plugin_id = 'inline_block:' . $type->id();
Chris@17:         if ($this->blockManager->hasDefinition($plugin_id)) {
Chris@17:           $url = Url::fromRoute('layout_builder.add_block', [
Chris@17:             'section_storage_type' => $section_storage->getStorageType(),
Chris@17:             'section_storage' => $section_storage->getStorageId(),
Chris@17:             'delta' => $delta,
Chris@17:             'region' => $region,
Chris@17:             'plugin_id' => $plugin_id,
Chris@17:           ]);
Chris@17:         }
Chris@17:       }
Chris@17:       else {
Chris@17:         $url = Url::fromRoute('layout_builder.choose_inline_block', [
Chris@17:           'section_storage_type' => $section_storage->getStorageType(),
Chris@17:           'section_storage' => $section_storage->getStorageId(),
Chris@17:           'delta' => $delta,
Chris@17:           'region' => $region,
Chris@17:         ]);
Chris@17:       }
Chris@17:       if (isset($url)) {
Chris@17:         $build['add_block'] = [
Chris@17:           '#type' => 'link',
Chris@17:           '#url' => $url,
Chris@17:           '#title' => $this->t('Create @entity_type', [
Chris@17:             '@entity_type' => $this->entityTypeManager->getDefinition('block_content')->getSingularLabel(),
Chris@17:           ]),
Chris@17:           '#attributes' => $this->getAjaxAttributes(),
Chris@18:           '#access' => $this->currentUser->hasPermission('create and edit custom blocks'),
Chris@17:         ];
Chris@17:         $build['add_block']['#attributes']['class'][] = 'inline-block-create-button';
Chris@17:       }
Chris@17:     }
Chris@14: 
Chris@18:     $build['filter'] = [
Chris@18:       '#type' => 'search',
Chris@18:       '#title' => $this->t('Filter by block name'),
Chris@18:       '#title_display' => 'invisible',
Chris@18:       '#size' => 30,
Chris@18:       '#placeholder' => $this->t('Filter by block name'),
Chris@18:       '#attributes' => [
Chris@18:         'class' => ['js-layout-builder-filter'],
Chris@18:         'title' => $this->t('Enter a part of the block name to filter by.'),
Chris@18:       ],
Chris@18:     ];
Chris@18: 
Chris@17:     $block_categories['#type'] = 'container';
Chris@17:     $block_categories['#attributes']['class'][] = 'block-categories';
Chris@18:     $block_categories['#attributes']['class'][] = 'js-layout-builder-categories';
Chris@18:     $block_categories['#attributes']['data-layout-builder-target-highlight-id'] = $this->blockAddHighlightId($delta, $region);
Chris@17: 
Chris@17:     // @todo Explicitly cast delta to an integer, remove this in
Chris@17:     //   https://www.drupal.org/project/drupal/issues/2984509.
Chris@17:     $delta = (int) $delta;
Chris@17: 
Chris@17:     $definitions = $this->blockManager->getFilteredDefinitions('layout_builder', $this->getAvailableContexts($section_storage), [
Chris@17:       'section_storage' => $section_storage,
Chris@17:       'delta' => $delta,
Chris@17:       'region' => $region,
Chris@17:     ]);
Chris@17:     $grouped_definitions = $this->blockManager->getGroupedDefinitions($definitions);
Chris@17:     foreach ($grouped_definitions as $category => $blocks) {
Chris@17:       $block_categories[$category]['#type'] = 'details';
Chris@18:       $block_categories[$category]['#attributes']['class'][] = 'js-layout-builder-category';
Chris@17:       $block_categories[$category]['#open'] = TRUE;
Chris@17:       $block_categories[$category]['#title'] = $category;
Chris@17:       $block_categories[$category]['links'] = $this->getBlockLinks($section_storage, $delta, $region, $blocks);
Chris@17:     }
Chris@17:     $build['block_categories'] = $block_categories;
Chris@17:     return $build;
Chris@17:   }
Chris@17: 
Chris@17:   /**
Chris@17:    * Provides the UI for choosing a new inline block.
Chris@17:    *
Chris@17:    * @param \Drupal\layout_builder\SectionStorageInterface $section_storage
Chris@17:    *   The section storage.
Chris@17:    * @param int $delta
Chris@17:    *   The delta of the section to splice.
Chris@17:    * @param string $region
Chris@17:    *   The region the block is going in.
Chris@17:    *
Chris@17:    * @return array
Chris@17:    *   A render array.
Chris@17:    */
Chris@17:   public function inlineBlockList(SectionStorageInterface $section_storage, $delta, $region) {
Chris@17:     $definitions = $this->blockManager->getFilteredDefinitions('layout_builder', $this->getAvailableContexts($section_storage), [
Chris@17:       'section_storage' => $section_storage,
Chris@17:       'region' => $region,
Chris@17:       'list' => 'inline_blocks',
Chris@17:     ]);
Chris@17:     $blocks = $this->blockManager->getGroupedDefinitions($definitions);
Chris@17:     $build = [];
Chris@18:     $inline_blocks_category = (string) $this->t('Inline blocks');
Chris@18:     if (isset($blocks[$inline_blocks_category])) {
Chris@18:       $build['links'] = $this->getBlockLinks($section_storage, $delta, $region, $blocks[$inline_blocks_category]);
Chris@17:       $build['links']['#attributes']['class'][] = 'inline-block-list';
Chris@17:       foreach ($build['links']['#links'] as &$link) {
Chris@17:         $link['attributes']['class'][] = 'inline-block-list__item';
Chris@17:       }
Chris@17:       $build['back_button'] = [
Chris@17:         '#type' => 'link',
Chris@17:         '#url' => Url::fromRoute('layout_builder.choose_block',
Chris@17:           [
Chris@17:             'section_storage_type' => $section_storage->getStorageType(),
Chris@17:             'section_storage' => $section_storage->getStorageId(),
Chris@17:             'delta' => $delta,
Chris@17:             'region' => $region,
Chris@17:           ]
Chris@17:         ),
Chris@17:         '#title' => $this->t('Back'),
Chris@17:         '#attributes' => $this->getAjaxAttributes(),
Chris@14:       ];
Chris@14:     }
Chris@18:     $build['links']['#attributes']['data-layout-builder-target-highlight-id'] = $this->blockAddHighlightId($delta, $region);
Chris@14:     return $build;
Chris@14:   }
Chris@14: 
Chris@17:   /**
Chris@17:    * Gets a render array of block links.
Chris@17:    *
Chris@17:    * @param \Drupal\layout_builder\SectionStorageInterface $section_storage
Chris@17:    *   The section storage.
Chris@17:    * @param int $delta
Chris@17:    *   The delta of the section to splice.
Chris@17:    * @param string $region
Chris@17:    *   The region the block is going in.
Chris@17:    * @param array $blocks
Chris@17:    *   The information for each block.
Chris@17:    *
Chris@17:    * @return array
Chris@17:    *   The block links render array.
Chris@17:    */
Chris@17:   protected function getBlockLinks(SectionStorageInterface $section_storage, $delta, $region, array $blocks) {
Chris@17:     $links = [];
Chris@17:     foreach ($blocks as $block_id => $block) {
Chris@18:       $attributes = $this->getAjaxAttributes();
Chris@18:       $attributes['class'][] = 'js-layout-builder-block-link';
Chris@17:       $link = [
Chris@17:         'title' => $block['admin_label'],
Chris@17:         'url' => Url::fromRoute('layout_builder.add_block',
Chris@17:           [
Chris@17:             'section_storage_type' => $section_storage->getStorageType(),
Chris@17:             'section_storage' => $section_storage->getStorageId(),
Chris@17:             'delta' => $delta,
Chris@17:             'region' => $region,
Chris@17:             'plugin_id' => $block_id,
Chris@17:           ]
Chris@17:         ),
Chris@18:         'attributes' => $attributes,
Chris@17:       ];
Chris@17: 
Chris@17:       $links[] = $link;
Chris@17:     }
Chris@17:     return [
Chris@17:       '#theme' => 'links',
Chris@17:       '#links' => $links,
Chris@17:     ];
Chris@17:   }
Chris@17: 
Chris@17:   /**
Chris@17:    * Get dialog attributes if an ajax request.
Chris@17:    *
Chris@17:    * @return array
Chris@17:    *   The attributes array.
Chris@17:    */
Chris@17:   protected function getAjaxAttributes() {
Chris@17:     if ($this->isAjax()) {
Chris@17:       return [
Chris@17:         'class' => ['use-ajax'],
Chris@17:         'data-dialog-type' => 'dialog',
Chris@17:         'data-dialog-renderer' => 'off_canvas',
Chris@17:       ];
Chris@17:     }
Chris@17:     return [];
Chris@17:   }
Chris@17: 
Chris@14: }